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The state of being for an object, event, or person when they are extremely cool or awesome. Originates from a dissertation on radical expressions from Petreas.
Dude I found my Sega Genesis in my closet yesterday, and started playing the original Sonic... It was hospital sick bro.

Yeah today in math Petreas was rocking some hospital sick sideburns. Man it was awesome.
by Annoying guy in trig November 17, 2009
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